Build script.js asset with a Grunt task
  - Add assets, node_modules to .gitignore
  - Add package.json for grunt, typescript, etc
  - Add Gruntfile.js with minimal ts grunt config
add DefinitelyTyped as submodule, add bootstrap as definition
Merge pull request #1 from michiel/grunt-ts

Build script.js asset with a Grunt task
restructure imports: move external to lib, internal to res
gameContainer -> gridContainer, editable when game is stopped
allow tiles to be added
Merge branch 'master' into gh-pages
update compiled js